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investigative correspondent for nbc news. with me here in the studio is nbc news terrorism expert michael leiter. former director of the national counterterrorism center. thank you both for joining me. michael isikoff, let me go to you first. "the boston globe" is reporting that officials have recovered a second -- from the scene of the exploexs. what is your take on that? >> well, the fbi would not confirm that at the briefing we just had. they did confirm there are two devices, both in black nylon bags. search -- pressure cooker bombs. one point that i thought was quite interesting that fbi special agent in charge deloria made, these are heavy bombs. two heavy bombs in black nylon bags at two locations about 75 to 100 yards away from each other that were set off within 12 seconds. it remains an open question whether that could have been done by one perpetrator or more than one to have placed those two bags within a short period of time in this open, crowded area and not be noticed. it does raise questions whether one person could have pulled that off. i should tell you that a couple of other p
the second bomb detonated. sources tell nbc news that the triggering mechanism appears to have had a battery pack and circuit board, elements of a sophisticated system. both elements were recovered at the scene. joining me now is congressman ed markey from massachusetts. one of the people killed, krystle campbell is from your district? >> yes, she is. that is a good indication this goes beyond the city of boston. >> it does. >> this is all of massachusetts. there are tens of thousands of runners but there's a million people watching the marathon. as a result, every single family knows someone who was here yesterday. this is a very special day each year for the whole state. krystle campbell from medford is somebody that is part of the larger massachusetts family. they were all grieving. >> everywhere you go today, you see the faces of sadness. there's not a place where you can look where you don't see people who are feeling this. >> no. this is -- this is something that hit us just 12 years ago. >> the planes originated from here. >> they hijacked two planes with 150 people on those two plane
and arrest the unabomber, ted kaczynski. within the last hour nbc news has confirmed a letter bomb -- not a letter. i should say a letter that tested positive for ricin or some other toxic substance was addressed to senator roger wicker of mississippi. it was intercepted before reaching the senator's office. let's begin this hour with nbc justice correspondent pete williams and former cia counterterrorism director larry johnson. two best guests we could have. pete, let's go back to that picture we just saw from whdh up there, boston affiliate of nbc. what are the experts making of the fact that it was there, that bag, whatever it is sitting there before the explosion and then in this picture taken afterwards you can see the smoke trailing up to the left there diagona diagonally? what does that tell us? >> it tells us it's something they're investigating, chris. they know, they believe very strongly that the bombs were brought to the scene in backpacks. but i think it's fair to say they're looking at whether after they got there, they put them in these shopping bags. now, that thing
Search Results 0 to 3 of about 4 (some duplicates have been removed)